{
 "version": 2,
 "name": "Dual Wave LFO",
 "board": {
  "rows": 8,
  "cols": 16,
  "kind": "strip"
 },
 "cuts": [
  "2,7",
  "3,7",
  "4,7",
  "5,7"
 ],
 "parts": [
  {
   "id": "j1",
   "kind": "link",
   "ref": "J1",
   "pins": [
    [
     4,
     5
    ],
    [
     6,
     5
    ]
   ]
  },
  {
   "id": "j2",
   "kind": "link",
   "ref": "J2",
   "pins": [
    [
     4,
     12
    ],
    [
     6,
     12
    ]
   ]
  },
  {
   "id": "j3",
   "kind": "link",
   "ref": "J3",
   "pins": [
    [
     2,
     2
    ],
    [
     0,
     2
    ]
   ]
  },
  {
   "id": "j4",
   "kind": "link",
   "ref": "J4",
   "pins": [
    [
     5,
     1
    ],
    [
     1,
     1
    ]
   ]
  },
  {
   "id": "r1",
   "kind": "res",
   "ref": "R1",
   "value": "47k",
   "device": "fixed",
   "pins": [
    [
     7,
     2
    ],
    [
     3,
     2
    ]
   ]
  },
  {
   "id": "c1",
   "kind": "cap",
   "ref": "C1",
   "value": "1u",
   "device": "film",
   "pins": [
    [
     3,
     3
    ],
    [
     0,
     3
    ]
   ]
  },
  {
   "id": "c2",
   "kind": "ecap",
   "ref": "C2",
   "value": "47u",
   "polarized": true,
   "pins": [
    [
     6,
     3
    ],
    [
     5,
     3
    ]
   ]
  },
  {
   "id": "r4",
   "kind": "res",
   "ref": "R4",
   "value": "10k",
   "device": "fixed",
   "pins": [
    [
     1,
     4
    ],
    [
     6,
     4
    ]
   ]
  },
  {
   "id": "r3",
   "kind": "res",
   "ref": "R3",
   "value": "10k",
   "device": "fixed",
   "pins": [
    [
     6,
     10
    ],
    [
     2,
     10
    ]
   ]
  },
  {
   "id": "c3",
   "kind": "cap",
   "ref": "C3",
   "value": "100n",
   "device": "ceramic disc",
   "pins": [
    [
     2,
     11
    ],
    [
     1,
     11
    ]
   ]
  },
  {
   "id": "r5",
   "kind": "res",
   "ref": "R5",
   "value": "100k",
   "device": "fixed",
   "pins": [
    [
     5,
     13
    ],
    [
     3,
     13
    ]
   ],
   "mount": "vertical"
  },
  {
   "id": "r2",
   "kind": "res",
   "ref": "R2",
   "value": "68k",
   "device": "fixed",
   "pins": [
    [
     5,
     14
    ],
    [
     0,
     14
    ]
   ]
  }
 ],
 "ics": [
  {
   "id": "ic1",
   "ref": "IC1",
   "part": "NE5532",
   "pins": 8,
   "pin1": [
    2,
    6
   ],
   "span": 3,
   "autoCuts": [
    "2,7",
    "3,7",
    "4,7",
    "5,7"
   ]
  }
 ],
 "pads": [
  {
   "id": "p1",
   "label": "VR2_1",
   "at": [
    0,
    15
   ],
   "to": "blend pot VR2 lug 1 - the triangle side of the blend",
   "parts": [
    {
     "id": "POT2",
     "kind": "pot",
     "lug": "1",
     "value": "B1K blend"
    }
   ]
  },
  {
   "id": "p2",
   "label": "GND",
   "at": [
    1,
    0
   ],
   "to": "supply negative and the output jack sleeve",
   "parts": [
    {
     "id": "DC1",
     "kind": "dc",
     "lug": "-",
     "value": "9-15 V"
    },
    {
     "id": "JK1",
     "kind": "jack",
     "lug": "S",
     "value": "3.5 mm out"
    }
   ]
  },
  {
   "id": "p3",
   "label": "9V",
   "at": [
    2,
    15
   ],
   "to": "supply positive, 9-15V (12-15V preferred)",
   "parts": [
    {
     "id": "DC1",
     "kind": "dc",
     "lug": "+",
     "value": "9-15 V"
    }
   ]
  },
  {
   "id": "p4",
   "label": "VR1_3",
   "at": [
    3,
    15
   ],
   "to": "VR1 lug 3 - the square drives the rate pot",
   "parts": [
    {
     "id": "POT1",
     "kind": "pot",
     "lug": "3",
     "value": "B100K rate"
    }
   ]
  },
  {
   "id": "p5",
   "label": "VR2_3",
   "at": [
    3,
    11
   ],
   "to": "blend pot VR2 lug 3 - the square side of the blend",
   "parts": [
    {
     "id": "POT2",
     "kind": "pot",
     "lug": "3",
     "value": "B1K blend"
    }
   ]
  },
  {
   "id": "p6",
   "label": "VR1_W",
   "at": [
    7,
    15
   ],
   "to": "VR1 wiper - the rate control",
   "parts": [
    {
     "id": "POT1",
     "kind": "pot",
     "lug": "W",
     "value": "B100K rate"
    }
   ]
  }
 ],
 "netlist": "# Dual Wave LFO - NE5532 integrator and comparator, redrawn Sept 15 2026\n# 8 strips of 16 holes, 12 parts, 1 chip, 4 cuts\n#\n# Seven of these are strips the chip sits on, split left and right by the cut\n# column. Pins 3 and 6 are the pair the circuit wants joined, so J1 and J2\n# carry them out to the half rail. The VR2 wiper is the output and does not\n# touch this board.\n\n9V:       @9V IC1.8 R3.B C3.A\nGND:      @GND IC1.4 C2.B R4.A C3.B\n\nBIAS:     IC1.3 IC1.6 C2.A R3.A R4.B\nTRIANGLE: @VR2_1 IC1.1 R2.B C1.B\nINT_IN:   IC1.2 R1.B C1.A\nSQUARE:   @VR1_3 @VR2_3 IC1.7 R5.B\nCOMP_IN:  IC1.5 R2.A R5.A\nRATE:     @VR1_W R1.A\n",
 "offboard": [
  "JK1.T - POT2.W"
 ]
}